This paper is expected to supply some references on harmonizing farmers income difference in different areas.

Considering the defects existing in Gini coefficient, this paper analyzes the income gap among the rural residents in the eastern, central and western regions of China.

Recently the rural residents’ income gap in different districts has been increasingly enlarged,which affects the stable development of the overall economy in China’s rural districts.

Based on the national survey data,this paper make a analysis of the income distribution which describe the relative shares of total income received by five income groups(from lowest income to highest income) among Chinese elderly population,and we found that big income gap exists.

China has achieved rapid development economically in recent years while seeing an increasingly widened income discrepancy.

The positivism research results from the analysis of statistical data since 1978 show that the development of education in our country in recent decades has not only increasingly widened the income discrepancy between urban residents and rural residents but also the economic growth gap of different areas.

This study applies panel data regression model to investigate the relation between public expenditure and income inequality in China.

Employing historical and logical methods, this paper mainly analyzes the relativity between income inequality and consumption level of China inhabitants.

If we want to control and make better the problem of income inequality, we must understand the cause of income disparities, analyze the interactions between inequality and some influencing factors, make clear the primary reasons for income disparity and dissert the measures to promote the sustainable development of the economy and to decrease the income disparity at one time.